HR4424

HR4424 is a star in the constellation of Ursa Major.

HR4424 visual magnitude is 6.28. Because of its reltive faintness, HR4424 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4424:

Color of HR4424 ⬤

Magnitude of HR4424 6.28

Class

VISIBILITY RIGHT NOW HR4424 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 55°.

Celestial coordinates and finder chart of HR4424

HR4424 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4424 are provided in the following table:

Right Ascension J2000 11h 29m 43s

Declination J2000 +56° 44’ 14”

Galactic Longitude 143.51°

Galactic Latitude 57.01°

Constellation Ursa Major

The simplified sky map below shows the position of HR4424 in the sky:

Simplified finder chart for HR4424.

Visibility of HR4424 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4424 is circumpolar and transits at 23:21 UTC (altitude: 84.7°)

Digitized Sky Survey image of HR4424

The image below is a photograph of HR4424 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4424 is -0.089 arcsec per year in Right Ascension and -0.034 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4424. The red arrow shows the motion of HR4424 during the next 10000 years (-14.83 arcmin in Right Ascension and -5.67 arcmin in declination);

Distance of HR4424 from the Sun and relative movement

HR4424 is distant 221.32 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 67.89 pc

Distance (light year) 221.32 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA -0.089 arcsec/year

Proper Motion Dec -0.034 arcsec/year

Spectral properties of HR4424

HR4424 belongs to spectral class A4

Absolute magnitude 2.12

Spectral Type A4

Color Index (B-V) 0.15

Temperature of HR4424 8571K

The red dot in the diagram below shows where HR4424 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4424. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4424

Henry Draper Catalogue HD99859

SAO Catalogue SAO28035

Hipparcos Catalogue HIP56083

Durchmusterung Catalogue BD+57 1324

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In Evidence

Other stars in Ursa Major